Circumference of Circles

Circumference of a Circle

• I can identify parts of a circle.

• I can convert between radius and diameter.

• I can calculate the circumference of a circle given its radius or diameter.

Multiple Choice

I can identify parts of a circle.

A line segment that has one endpoint at the center and the other on the circle is the...

• Center

• Radius

• Diameter

• Circumference

Multiple Choice

I can identify parts of a circle.

The point at the center of the circle is the...

• Center

• Radius

• Diameter

• Circumference

Multiple Choice

I can identify parts of a circle.

The distance around the circle (similar to perimeter) is the...

• Center

• Radius

• Diameter

• Circumference

Multiple Choice

I can identify parts of a circle.

A line segment whose two endpoints are on the circle and passes through the center of the circle.

• Center

• Radius

• Diameter

• Circumference

Multiple Choice

Select the best option.

$$\pi=$$  

• 3

• 3.1

• 3.14

• 3.2

Multiple Choice

I can convert between radius and diameter.

If you are given a circle with a radius of 8 feet, the diameter is...

• 4 feet

• 16 feet

• 8 feet

• 10 feet

Multiple Choice

I can convert between radius and diameter.

If you are given a circle with a radius of 10 inches, the diameter is...

• 10 inches

• 5 inches

• 20 inches

• 10 feet

Multiple Choice

I can convert between radius and diameter.

If you are given a circle with a diameter of 8 feet, the radius is...

• 4 feet

• 16 feet

• 8 feet

• 10 feet

Multiple Choice

I can calculate the circumference of a circle given its radius or diameter.

Calculate the circumference of the circle shown in the picture.

• 12.56

• 50.24

• 25.12 cm

Multiple Choice

I can calculate the circumference of a circle given its radius or diameter.

Calculate the circumference of the circle shown in the picture.

• 37.68 in.

• 18.84 in.

• 75.36 in.

Multiple Choice

I can calculate the circumference of a circle given its radius or diameter.

Calculate the circumference of the circle shown in the picture.

• 1700 cm

• 157 cm

• 314 cm